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  • Projections
    In-house Bayesian model · career prior + aging × stuff/discipline signals
  • Plate Discipline
    Decision+ · chase / passive cost · K% · BB%
  • Command & Stuff
    Pitching+ · Stuff+ · Command+ · meatball rate
  • Pitcher Stuff Lab
    In-zone whiff · xwOBAcon · tunnel · deception · count predictability
  • Stuff Model (diag)
    From-scratch XGBoost training runs, feature importance, pitcher grades
  • Expected Points
    Luck-neutral fantasy points · xSLG / xwOBA · ΔPts
  • Hitter Frontier
    Power × discipline tradeoff · Pareto-frontier hitters
  • Pitcher Frontier
    Process × contact-suppression · pound the zone vs limit damage
  • Hitter Vulnerabilities
    Biggest pitch-trait strengths & weaknesses · vs league or vs own
  • AAA Hitters
    Triple-A bats · xwOBA · contact quality · discipline · frontier
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Ha-Seong Kim

Ha-Seong Kim

SS·ATL
Compare
Compare
PA
470
H
94
HR
11
AVG
.233
xwOBA
.323
PPG
2.14
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
20261660.093.183.093.000.22223.3%10.0%13.3%0150.31—
202548191.234
2024 MLB Percentiles

Hitting Profile

470 PA — below qualified cutoff. Percentiles vs. qualified pool (faded).

Expected Results
xwOBA
30
.323
xBA
45
.247
.307
.345
.111
.297
20.4%
8.4%
12.0%
5
6
80
1.67
—
2024123470.233.333.370.137.32316.4%12.3%4.1%11222632.14—
2023153626.260.354.398.138.31419.8%12.0%7.8%17413522.30—
2022172584.250.326.382.132.31517.1%8.7%8.4%11153301.92—
2021122300.201.271.349.148.26623.7%7.3%16.4%851170.96—
xSLG
9
.367
Quality of Contact
Avg EV
10
86.5
Median EV
10
89.9
90th % EV
19
102.7
Barrel %
13
4.8
Hard-Hit %
15
35.4
Sweet-Spot %
70
37.2
Bat Speed
Avg
11
66.8
Median
13
68.5
90th %
15
74.1
Plate Discipline
Chase %
98
18.6
Whiff %
90
14.3
K %
78
16.4
BB %
96
12.3
Swing Decisions

Plate Discipline · Decision+

Expected-run-value of every swing-or-take decision, against a league-average batter’s optimum. 100 = avg · 110 = 1 SD better.

Decision+
108
≈ 80th pctl
Chase cost
-25.6r
220 swings @ bad pitch
Passive cost
-19.8r
406 takes @ hittable pitch
Swing rate
38.0%
2,004 pitches seen
Runs per 100
-2.26
lg avg -2.53
Count
View
2345211+33%6-8%12+18%28+0%26+24%17+25%125+17%6+5%21-36%50-28%60-14%49+15%34+0%13+35%23-13%52-42%72-39%82-45%60+21%28+8%13+13%16+14%42-21%47-9%43+7%29+8%124+0%12+0%17+0%85411CATCHER'S VIEW
Judgment — swing% vs optimal
−35%−15%0+15%+35%
  • Red cells — swings more than an optimal batter would here (chasing).
  • Blue cells — swings less than optimal (too passive).
  • Number in cell: swing%-delta vs optimal. Top-right: pitches seen.
Total pitches shown: 1,000